单项选择题
A.protect your data B.write your emails C.take photos D.play music
A.it is right to do anything in business B.it is useless to believe in what customers say C.it is unfair to take too much advantage of people D.it is dangerous to listen to the advice of a salesman
A.ask them to say what they like B.tell them to do anything you want C.help them feel confident in themselves D.get them to say yes to a lot of your questions